CN106109040B - A kind of resonant acoustic wave toothbrush - Google Patents
A kind of resonant acoustic wave toothbrush Download PDFInfo
- Publication number
- CN106109040B CN106109040B CN201610743139.4A CN201610743139A CN106109040B CN 106109040 B CN106109040 B CN 106109040B CN 201610743139 A CN201610743139 A CN 201610743139A CN 106109040 B CN106109040 B CN 106109040B
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- Prior art keywords
- main shaft
- magnet
- acoustic wave
- magnetic core
- resonant acoustic
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/221—Control arrangements therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushes (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a kind of resonant acoustic wave toothbrushes, the not rotation phenomenon that main shaft for preventing above-mentioned acoustic toothbrush is likely to occur, the permanent magnet assembly includes magnetic core and magnet, the magnetic core is fixed on main shaft, the magnetic core outer wall Circle-Array shows at least two card slots, two magnet of installation in each card slot, the N poles of one of them magnet along main shaft radially, the S poles of another magnet along main shaft radially.There are two the opposite magnet of magnetic pole for installation in a card slot on magnetic core of the present invention, magnetic field caused by stator winding and a magnet are attracting, repel each other with another magnet, and self-assembling formation torque drives main shaft rotation, be not in unstable equilibrium point, the reciprocating rotation of main shaft is also more stable.
Description
Technical field
The present invention relates to personal-care supplies fields, and in particular to a kind of resonant acoustic wave toothbrush.
Background technology
Acoustic toothbrush is a kind of novel toothbrush for mixing sound wave science and technology in oral care, and head toothbrushes shake by the frequency of design
It is dynamic, it generates the ultrasonic frequency using sound wave as energy and shakes, achieve the purpose that clean tooth.
The patent of invention of Authorization Notice No. CN205336076U discloses a kind of high-frequency resonant oscillator for toothbrush, packet
It includes coil windings, housing, main shaft, permanent magnet assembly and pumping signal is applied to coil windings simultaneously in the form of alternating current
N poles and the electric control gear of S extremely high frequencies conversion are generated, coil windings circle distribution is in the periphery of permanent magnet assembly；Coil windings
Alternating current high frequency changes, and N poles and the polarity of S poles also change correspondingly, and acts on, makes with the permanent magnet assembly being fixed on main shaft
Deflecting of moving in circles of main shaft, so as to play the effect of high-frequency vibration.
Above-mentioned patent is compared with the mechanisms such as traditional eccentric wheel, turbine, and efficiency is small compared with high and noise, but its permanent magnet assembly
Polarity arrangement it is single, when the center of the coil windings magnetic line of force is overlapped with the center of the permanent magnet assembly magnetic line of force, set of permanent magnets
Part is now in a unstable equilibrium point, it is possible that the feelings that coil windings pole change but permanent magnet assembly do not rotate
Condition；And the magnetic line of force of coil windings is open, leakage field phenomenon is serious, and coil windings can consume more electric energy.
Invention content
For the not rotation phenomenon that the main shaft for preventing above-mentioned acoustic toothbrush is likely to occur, the present invention provides a kind of permanent magnets
The resonant acoustic wave toothbrush of the compound arrangement of component.
The technical solution adopted by the present invention is as follows：
A kind of resonant acoustic wave toothbrush, including housing, stator winding, main shaft, permanent magnet assembly and electric control gear, set of permanent magnets
Part is fixed on main shaft, and stator module is mounted in housing and is arranged in the periphery of permanent magnet assembly, and electric control gear acts on fixed
To generate the magnetic field of magnetic pole high frequency conversion on sub- winding, the permanent magnet assembly includes magnetic core and magnet, and the magnetic core is fixed on
On main shaft, at least two card slots have been evenly arranged on the magnetic core periphery wall, two magnet of installation in each card slot, wherein
The N poles of one magnet along main shaft radially, the S poles of another magnet along main shaft radially.
The stator winding includes stator core and coil, and the stator core section is square shape, and the coil distinguishes coiling
On two opposite sides；The magnetic core along the axially symmetric setting of main shaft there are two card slot, the magnet in two card slots
N-S pole orientations be also arranged symmetrically.
The magnetic core includes the support element in two H sections, and the magnet is mounted in the card slot in H sections, the support element
Both ends be respectively provided with an end cap.
The support element is made of multilayer silicon steel laminations, and the support element includes independent two parts, the support element
Between two parts baffle is equipped in the both sides of magnet.
The stator core is made of U-shaped silicon steel laminations.
The shell end is equipped with tail-hood, has further included shrapnel, one end of the shrapnel is fixed on the tail end of main shaft, another
End is fixed on tail-hood.
The main shaft, permanent magnet assembly, shrapnel composition rotor, the intrinsic frequency of the rotor and the magnetic field of stator winding become
It is identical to change frequency.
The tail end of the main shaft is equipped with open slot, and the tail-hood is equipped with inserting groove, and described shrapnel one end is plugged on open slot
In, the other end is plugged in inserting groove, and the shrapnel utilizes fastened by screw with inserting groove.
The main shaft is socketed with retainer ring in the outside of open slot.
An oiliness bearing is respectively installed in the rear end of the main shaft with middle part, and the outer ring of the oiliness bearing is separately mounted to tail
On lid and housing.
The beneficial effects of the invention are as follows：
Installation is there are two the opposite magnet of magnetic pole in a card slot on magnetic core of the present invention, magnetic field caused by stator winding
It is attracting with a magnet, repel each other with another magnet, self-assembling formation torque drives main shaft rotation, is not in unstable equilibrium
Point, the reciprocating rotation of main shaft are also more stable.
Description of the drawings
Fig. 1 is the appearance schematic diagram of the embodiment of the present invention one.
Fig. 2 is the exploded perspective view of the embodiment of the present invention one.
Fig. 3 is the shaft section schematic diagram of the embodiment of the present invention one.
Fig. 4 is the cross-sectional view of the embodiment of the present invention one.
Fig. 5 is the exploded perspective view of magnetic core in the embodiment of the present invention one.
Fig. 6 is cross-sectional view when stator winding magnetic pole switches in the embodiment of the present invention one.
Fig. 7 is the cross-sectional view of another state when stator winding magnetic pole switches in the embodiment of the present invention one.
Fig. 8 is the exploded perspective view of magnetic core in the embodiment of the present invention two.
Housing 1, main shaft 3, permanent magnet assembly 4, magnetic core 5, magnet 6, stator core 7, coil 8, tail-hood 9, has stator winding 2
Shrapnel 10, open slot 11, inserting groove 12, screw 13, oiliness bearing 14, retainer ring 15, support element 16, baffle 17, end cap 18.
Specific embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
In embodiment one, as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of resonant acoustic wave toothbrush, including housing 1, stator winding
2nd, main shaft 3, permanent magnet assembly 4 and electric control gear, permanent magnet assembly 4 are fixed on main shaft 3, and stator module 2 is mounted in housing 1
And the periphery of permanent magnet assembly 4 is arranged in, electric control gear acts on stator winding 2 to generate the magnetic field of magnetic pole high frequency conversion；
The permanent magnet assembly 4 includes magnetic core 5 and magnet 6, and the magnetic core 5 is fixed on main shaft 3, on 5 periphery wall of magnetic core uniformly
At least two card slot slots are disposed with, two magnet 6 of installation in each card slot, the N poles of one of them magnet 6 are along master
Axis 3 radially, the S poles of another magnet 6 along main shaft 3 radially.The present embodiment one, one on magnetic core 5
Installation is there are two the opposite magnet 6 of magnetic pole in card slot, and magnetic field caused by stator winding 2 and a magnet 6 are attracting, with another
Magnet 6 repels each other, and self-assembling formation torque drives main shaft 3 to rotate, and is not in unstable equilibrium point, the reciprocating rotation of main shaft 3 also compares
Relatively stablize.
In embodiment one, as shown in Figure 2, Figure 3, Figure 4, the stator winding 2 includes stator core 7 and coil 8, the stator
7 section of core is square shape, and the coil 8 is wound on respectively on two opposite sides；The magnetic core 5 is along the axially symmetric of main shaft 3
There are two card slot, the N-S pole orientations of the magnet 6 in two card slots are also arranged symmetrically for setting.One structure of the present embodiment, it is fixed
Sub- winding 2 forms the annular magnet of a pole orientation high frequency variation, and during 3 resonance of main shaft, leakage field is few, more power saving.
In embodiment one, as shown in Fig. 2, Fig. 3, Fig. 5, the magnetic core 5 includes the support element 16 in H sections, and the magnet 6 is pacified
In the card slot in H sections, the both ends of the support element 16 are respectively provided with an end cap 18.One structure of the present embodiment, support element 16
Form the magnetic core 5 of frame-type together with end cap 18, magnet 6 forms good field circuit in magnetic conduction sheet 17, can stator around
The lower stable reciprocating rotary in 2 magnetic fields of group or so.
In embodiment one, as shown in Figure 2, Figure 3, Figure 4, the stator core 7 is made of U-shaped silicon steel laminations.The present embodiment one
Structure, assembled stator core 7 can enable coil 8 separate coiling combination installation, easy to process, efficient.
In embodiment one, as shown in Figure 2 and Figure 3,1 end of housing is equipped with tail-hood 9, has further included shrapnel 10, the bullet
One end of piece 10 is fixed on the tail end of main shaft 3, and the other end is fixed on tail-hood 9.The shrapnel 10 of the present embodiment one in main shaft 3 just
During to, reverse deflection, the purpose of effectively limitation main shaft deflection angle is played, and positive, reverse deflection also functions to auxiliary to main shaft 3
Effect.
In embodiment one, as shown in Figure 2 and Figure 3, the main shaft 3, permanent magnet assembly 4, the composition rotor of shrapnel 10, described turn
The intrinsic frequency of son is identical with the changes of magnetic field frequency of stator winding 2.One structure of the present embodiment, rotor forms system resonance, main
Axis 3 can reach maximum amplitude, achieve the purpose that energy efficiency under minimum energy expenditure.
In embodiment one, as shown in Figure 2 and Figure 3, the tail end of the main shaft 3 is equipped with open slot 11, and the tail-hood 9, which is equipped with, to be inserted
Access slot 12, described 10 one end of shrapnel are plugged in open slot 11, and the other end is plugged in inserting groove 12, the shrapnel 10 and grafting
Slot 12 is fastened using screw 13.One structure of the present embodiment, shrapnel 10 are easy for installation, secured.
In embodiment one, as shown in Figure 2 and Figure 3, the main shaft 3 is socketed with retainer ring 15 in the outside of open slot 11.This reality
Apply the retainer ring 15 of example one, open slot 11 made to become square hole and is fastened with shrapnel 10, both can fixation spring tab 10 well, can also
It prevents open slot 11 from deforming, causes difficult to install.
In embodiment one, as shown in Figure 2, Figure 3, Figure 4, an oiliness bearing is respectively installed at rear end and the middle part of the main shaft 3
14, the outer ring of the oiliness bearing 14 is separately mounted on tail-hood 9 and housing 1.The present embodiment one, preferably oiliness bearing 14, can
Reduce the overall dimensions of toothbrush, shape simple and beautiful.
In embodiment one, as shown in Figure 6, Figure 7, the magnetic pole under electric control gear of stator winding 2 changes, with set of permanent magnets
Part 4 interacts, and can achieve the purpose that reciprocating motion, and the opposite magnet 6 of two magnetic poles in a card slot, two differences
Reversed power self-assembling formation torque drives main shaft 3 to rotate, and process is more stable and reliable.
In embodiment two, as shown in figure 8, the support element 16 is made of multilayer silicon steel laminations, the support element 16 includes
Independent two parts are equipped with baffle 17 between two parts of the support element 16 in the both sides of magnet 6.The support of the present embodiment two
Part 16 1 is that processing is easy to assembly, by closed assembly after lamination punching press, second is that being assembled with baffle 17, reduces cost.
Obviously, the above embodiment of the present invention is intended to be merely illustrative of the present example, and not to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.There is no need and unable to give poor example to all embodiments.And these belong to this
The connotation changes and variations that derived from of invention still fall within protection scope of the present invention.
Claims (7)
1. a kind of resonant acoustic wave toothbrush, including housing（1）, stator winding（2）, main shaft（3）, permanent magnet assembly（4）And automatically controlled dress
It puts, permanent magnet assembly（4）It is fixed on main shaft（3）On, stator winding（2）Mounted on housing（1）It is interior and be arranged in permanent magnet assembly
（4）Periphery, electric control gear acts on stator winding（2）On to generate the magnetic field of magnetic pole high frequency conversion, it is characterised in that：It is described
Permanent magnet assembly（4）Including magnetic core（5）With magnet（6）, the magnetic core（5）It is fixed on main shaft（3）On, the magnetic core（5）Periphery
At least two card slots are evenly arranged on wall, two magnet of installation in each card slot（6）, one of them described magnet（6）
N poles along main shaft（3）Radially, another described magnet（6）S poles along main shaft（3）Radially；
The housing（1）End is equipped with tail-hood（9）, further included shrapnel（10）, the shrapnel（10）One end be fixed on main shaft
（3）Tail end, the other end is fixed on tail-hood（9）On；
The main shaft（3）Tail end be equipped with open slot（11）, the tail-hood（9）Equipped with inserting groove（12）, the shrapnel（10）One
End is plugged on open slot（11）In, the other end is plugged on inserting groove（12）In, the shrapnel（10）With inserting groove（12）Utilize spiral shell
Silk（13）Fastening；
The main shaft（3）In open slot（11）Outside be socketed with retainer ring（15）.
2. resonant acoustic wave toothbrush according to claim 1, it is characterised in that：The stator winding（2）Including stator core（7）
With coil（8）, the stator core（7）Section is square shape, the coil（8）It is wound on respectively on two opposite sides；It is described
Magnetic core（5）Along main shaft（3）Axially symmetric setting there are two card slot, the magnet in two card slots（6）N-S pole orientations
Also it is arranged symmetrically.
3. resonant acoustic wave toothbrush according to claim 2, it is characterised in that：The magnetic core（5）Include the support element in H sections
（16）, the magnet（6）In the card slot in H sections, the support element（16）Both ends be respectively provided with an end cap（18）.
4. resonant acoustic wave toothbrush according to claim 3, it is characterised in that：The support element（16）By multilayer silicon steel laminations
Composition, the support element（16）Including independent two parts, the support element（16）Two parts between in magnet（6）Both sides
Equipped with baffle（17）.
5. resonant acoustic wave toothbrush according to claim 2, it is characterised in that：The stator core（7）By U-shaped silicon steel laminations group
Into.
6. resonant acoustic wave toothbrush according to claim 1, it is characterised in that：The main shaft（3）, permanent magnet assembly（4）, bullet
Piece（10）Form rotor, the intrinsic frequency and stator winding of the rotor（2）Changes of magnetic field frequency it is identical.
7. resonant acoustic wave toothbrush according to claim 1, it is characterised in that：The main shaft（3）Rear end respectively pacify with middle part
Fill an oiliness bearing（14）, the oiliness bearing（14）Outer ring be separately mounted to tail-hood（9）With housing（1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743139.4A CN106109040B (en) | 2016-08-29 | 2016-08-29 | A kind of resonant acoustic wave toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743139.4A CN106109040B (en) | 2016-08-29 | 2016-08-29 | A kind of resonant acoustic wave toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106109040A CN106109040A (en) | 2016-11-16 |
| CN106109040B true CN106109040B (en) | 2018-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610743139.4A Active CN106109040B (en) | 2016-08-29 | 2016-08-29 | A kind of resonant acoustic wave toothbrush |
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| Country | Link |
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| CN (1) | CN106109040B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070308B (en) * | 2017-05-12 | 2024-04-05 | 温州伏尔特电子科技有限公司 | Magnetic suspension vibration motor |
| EP4037605B1 (en) | 2019-09-30 | 2024-06-26 | Water Pik, Inc. | Electric toothbrush |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010125263A (en) * | 2008-12-01 | 2010-06-10 | Asahi Irika Kk | Electric toothbrush |
| CN203674948U (en) * | 2013-09-03 | 2014-06-25 | 张立武 | Vibration electromotor for electric toothbrush |
| CN104578668A (en) * | 2015-02-03 | 2015-04-29 | 朱忠磊 | Small-sized high-frequency vibration device |
| DE202015102675U1 (en) * | 2015-05-25 | 2015-07-28 | Ningbo Seago Electric Co., Ltd. | engine |
| CN105434076A (en) * | 2015-12-09 | 2016-03-30 | 惠州欧捷威电器有限公司 | Sonic teeth cleaning apparatus |
| CN205359333U (en) * | 2015-12-18 | 2016-07-06 | 惠州欧捷威电器有限公司 | Electronic acoustic vibration's facial cleaning brush |
-
2016
- 2016-08-29 CN CN201610743139.4A patent/CN106109040B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010125263A (en) * | 2008-12-01 | 2010-06-10 | Asahi Irika Kk | Electric toothbrush |
| CN203674948U (en) * | 2013-09-03 | 2014-06-25 | 张立武 | Vibration electromotor for electric toothbrush |
| CN104578668A (en) * | 2015-02-03 | 2015-04-29 | 朱忠磊 | Small-sized high-frequency vibration device |
| DE202015102675U1 (en) * | 2015-05-25 | 2015-07-28 | Ningbo Seago Electric Co., Ltd. | engine |
| CN105434076A (en) * | 2015-12-09 | 2016-03-30 | 惠州欧捷威电器有限公司 | Sonic teeth cleaning apparatus |
| CN205359333U (en) * | 2015-12-18 | 2016-07-06 | 惠州欧捷威电器有限公司 | Electronic acoustic vibration's facial cleaning brush |
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| Publication number | Publication date |
|---|---|
| CN106109040A (en) | 2016-11-16 |
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